ARBOUR COURT

Delaware — Community Water System — PWSID: PA1150213

System Information

PWSID	PA1150213
System Name	ARBOUR COURT
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	03
Serves School	No
Wholesaler	No
First Reported	Mar 25, 2000
Last Reported	Dec 17, 2025

Location & Contact

State	Delaware
City	NASSAU
ZIP Code	19969
Address	PO BOX 296
Organization	ARBOUR COURT
Phone	610-543-0303

Population & Service

Population Served	180
Service Connections	55

Drinking Water Violations (308)

This water system has 308 violations recorded in the EPA SDWIS database.

Begin Date	End Date	Contaminant	Category	Health-Based	Major	Measured	Federal MCL	State MCL	Status	Return to Compliance	Rule
Aug 1, 2025	Aug 31, 2025	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Aug 31, 2025	Ground Water Rule
Aug 1, 2025	Aug 31, 2025	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Aug 31, 2025	Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2025	Aug 31, 2025	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Aug 31, 2025	Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2025	Aug 31, 2025	Groundwater Rule	MR	No	Yes	—	—	—	Resolved	Aug 31, 2025	Ground Water Rule
Apr 1, 2023	Apr 30, 2023	Groundwater Rule	MR	No	No	—	—	—	Resolved	Apr 30, 2023	Ground Water Rule
Apr 1, 2023	Apr 30, 2023	Groundwater Rule	MR	No	No	—	—	—	Resolved	Apr 30, 2023	Ground Water Rule
Apr 1, 2023	Apr 30, 2023	Groundwater Rule	MR	No	No	—	—	—	Resolved	Apr 30, 2023	Ground Water Rule
Apr 1, 2023	Apr 30, 2023	Groundwater Rule	MR	No	No	—	—	—	Resolved	Apr 30, 2023	Ground Water Rule
Jul 1, 2020	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Sep 2, 2020	Revised Total Coliform Rule
Jul 1, 2020	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Sep 2, 2020	Revised Total Coliform Rule
Jan 1, 2020	Mar 31, 2020	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 2020	Nitrate Rule
Jan 1, 2020	Mar 31, 2020	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Mar 31, 2020	Nitrate Rule
Jan 1, 2020	Mar 31, 2020	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 2020	Nitrate Rule
Jan 1, 2020	Mar 31, 2020	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Mar 31, 2020	Nitrate Rule
Jan 1, 2020	Mar 31, 2020	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Mar 31, 2020	Nitrate Rule
Jan 1, 2020	Mar 31, 2020	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Mar 31, 2020	Nitrate Rule
Jan 1, 2020	Mar 31, 2020	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 2020	Nitrate Rule
Jan 1, 2020	Mar 31, 2020	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 2020	Nitrate Rule
Jul 11, 2018	—	Public Notice	Other	No	No	—	—	—	Resolved	Sep 21, 2018	Public Notice Rule and Revised PN Rule
Jul 11, 2018	—	Public Notice	Other	No	No	—	—	—	Resolved	Sep 21, 2018	Public Notice Rule and Revised PN Rule
Jul 11, 2018	—	Public Notice	Other	No	No	—	—	—	Resolved	Sep 21, 2018	Public Notice Rule and Revised PN Rule
Jul 11, 2018	—	Public Notice	Other	No	No	—	—	—	Resolved	Sep 21, 2018	Public Notice Rule and Revised PN Rule
Jul 11, 2018	—	Public Notice	Other	No	No	—	—	—	Resolved	Sep 21, 2018	Public Notice Rule and Revised PN Rule
Jul 11, 2018	—	Public Notice	Other	No	No	—	—	—	Resolved	Sep 21, 2018	Public Notice Rule and Revised PN Rule
Jul 1, 2018	Jul 31, 2018	Groundwater Rule	MR	No	No	—	—	—	Resolved	Jul 31, 2018	Ground Water Rule
Jul 1, 2018	Jul 31, 2018	Groundwater Rule	MR	No	No	—	—	—	Resolved	Jul 31, 2018	Ground Water Rule
Jul 1, 2018	Jul 31, 2018	Groundwater Rule	MR	No	No	—	—	—	Resolved	Jul 31, 2018	Ground Water Rule
Jul 1, 2018	Jul 31, 2018	Groundwater Rule	MR	No	No	—	—	—	Resolved	Jul 31, 2018	Ground Water Rule
Apr 1, 2017	Jun 30, 2017	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Jun 30, 2017	Nitrate Rule
Apr 1, 2017	Jun 30, 2017	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 2017	Nitrate Rule
Apr 1, 2017	Jun 30, 2017	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Jun 30, 2017	Nitrate Rule
Apr 1, 2017	Jun 30, 2017	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Jun 30, 2017	Nitrate Rule
Apr 1, 2017	Jun 30, 2017	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Jun 30, 2017	Nitrate Rule
Apr 1, 2017	Jun 30, 2017	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Jun 30, 2017	Nitrate Rule
Apr 1, 2017	Jun 30, 2017	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 2017	Nitrate Rule
Apr 1, 2017	Jun 30, 2017	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 2017	Nitrate Rule
Apr 1, 2017	Jun 30, 2017	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 2017	Nitrate Rule
Apr 1, 2017	Jun 30, 2017	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 2017	Nitrate Rule
Apr 1, 2017	Jun 30, 2017	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Jun 30, 2017	Nitrate Rule
Apr 1, 2017	Jun 30, 2017	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 2017	Nitrate Rule
Apr 1, 2017	Jun 30, 2017	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 2017	Nitrate Rule
Apr 1, 2017	Jun 30, 2017	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Jun 30, 2017	Nitrate Rule
Mar 11, 2017	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 21, 2017	Public Notice Rule and Revised PN Rule
Mar 11, 2017	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 21, 2017	Public Notice Rule and Revised PN Rule
Mar 11, 2017	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 21, 2017	Public Notice Rule and Revised PN Rule
Mar 11, 2017	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 21, 2017	Public Notice Rule and Revised PN Rule
Oct 1, 2016	Dec 31, 2016	Radium-226	MR	No	Yes	—	—	—	Resolved	Dec 31, 2016	Radionuclides and Revised Rad Rule
Oct 1, 2016	Dec 31, 2016	Radium-228	MR	No	Yes	—	—	—	Resolved	Dec 31, 2016	Radionuclides and Revised Rad Rule
Oct 1, 2016	Dec 31, 2016	Combined Uranium	MR	No	Yes	—	30 ug/L	—	Resolved	Dec 31, 2016	Radionuclides and Revised Rad Rule
Oct 1, 2016	Dec 31, 2016	Radium-226	MR	No	Yes	—	—	—	Resolved	Dec 31, 2016	Radionuclides and Revised Rad Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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